元げん亀きげんきMeanings1nounGenki era (1570.4.23-1573.7.28)historical termHistorical Japanese era name (年号). Used in historical contexts to refer to the period from 1570 to 1573.元げん亀き年ねん間かんに、織お田だ信のぶ長ながは比ひ叡えい山ざんを焼やき討うちした。During the Genki era, Oda Nobunaga burned down Mount Hiei.